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Samuel Morse and the telegraph.

作者: Wilma Pitchford Hays
出版商: New York, F. Watts [1960]
叢書: First biography.
版本/格式:   圖書 : 少年讀者群 : 英語所有版本和格式的總覽
資料庫:WorldCat
提要:
Samuel Morse was forty-one years old and a famous portrait painter when an important question burst into his mind: If the presence of electricity could be made visible in any part of a circuit, why could not messages be transmitted instantaneously by electricity? Thus the idea for the telegraph was born.
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詳細書目

類型/形式: Juvenile works
Juvenile literature
其他的實體格式: Online version:
Hays, Wilma Pitchford.
Samuel Morse and the telegraph.
New York, F. Watts [1960]
(OCoLC)755275247
提及的人: Samuel Finley Breese Morse; Samuel Finley Breese Morse
資料類型: 少年讀者群
文件類型: 圖書
所有的作者/貢獻者: Wilma Pitchford Hays
OCLC系統控制編碼: 1367237
描述: 66 pages illustrations 23 cm.
叢書名: First biography.
責任: Pictures by Richard Mayhew.

摘要:

Samuel Morse was forty-one years old and a famous portrait painter when an important question burst into his mind: If the presence of electricity could be made visible in any part of a circuit, why could not messages be transmitted instantaneously by electricity? Thus the idea for the telegraph was born.

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